/*
 * Copyright the original author or authors.
 * 
 * Licensed under the MOZILLA PUBLIC LICENSE, Version 1.1 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 * 
 *	  http://www.mozilla.org/MPL/MPL-1.1.html
 * 
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package com.googlecode.milib.animation.dynamic_ {

	public class AnimatedStoppingNumber extends AnimatedNumber {
		
		private var speed : Number;
		private var minDistToTarget : Number;
		
		/**
		 * @param $speed bigger - faster, default: 0.5
		 */
		public function AnimatedStoppingNumber(initialCurrentValue:Number=0, minDistToTarget:Number=.5, speed:Number=.5) {
			super(initialCurrentValue);
			this.speed=speed;
			this.minDistToTarget=minDistToTarget;
		}//<>
		
		override protected function checkIsFinish():Boolean {
			return Math.abs(target-current)<minDistToTarget;
		}
		
		public function setSpeed(speed:Number):void {
			this.speed=speed;
		}
		
//****************************************************************************
// EVENTS for AnimatedStoppingNumber
//****************************************************************************
		override protected function doEnterFrame():void {
			var num:Number=current;
			var targetNum:Number=target;
			num+=((targetNum-num)*speed)*Math.max(0, Math.min(.95, efs.getLastFrametimeInS01()*8));
			current=num;
		}
	
	}
}